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Diffstat (limited to 'tools/h5jam/tellub.c')
| -rw-r--r-- | tools/h5jam/tellub.c | 186 |
1 files changed, 186 insertions, 0 deletions
diff --git a/tools/h5jam/tellub.c b/tools/h5jam/tellub.c new file mode 100644 index 0000000..23d5693 --- /dev/null +++ b/tools/h5jam/tellub.c @@ -0,0 +1,186 @@ +/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * + * Copyright by the Board of Trustees of the University of Illinois. * + * All rights reserved. * + * * + * This file is part of HDF5. The full HDF5 copyright notice, including * + * terms governing use, modification, and redistribution, is contained in * + * the files COPYING and Copyright.html. COPYING can be found at the root * + * of the source code distribution tree; Copyright.html can be found at the * + * root level of an installed copy of the electronic HDF5 document set and * + * is linked from the top-level documents page. It can also be found at * + * http://hdf.ncsa.uiuc.edu/HDF5/doc/Copyright.html. If you do not have * + * access to either file, you may request a copy from hdfhelp@ncsa.uiuc.edu. * + * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */ + +#include <stdio.h> +#include <stdlib.h> +#include <unistd.h> + +#include "hdf5.h" +#include "h5tools_utils.h" + +#define TRUE 1 +#define FALSE 0 + +const char *progname = "tellub"; + +/* + * Command-line options: The user can specify short or long-named + * parameters. The long-named ones can be partially spelled. When + * adding more, make sure that they don't clash with each other. + */ +static const char *s_opts = "h"; +static struct long_options l_opts[] = { + {"help", no_arg, 'h'}, + {"hel", no_arg, 'h'}, + {NULL, 0, '\0'} +}; + +/*------------------------------------------------------------------------- + * Function: usage + * + * Purpose: Print the usage message + * + * Return: void + * + * Programmer: + * + * Modifications: + * + *------------------------------------------------------------------------- + */ +static void +usage (const char *prog) +{ + fflush (stdout); + fprintf (stdout, "usage: %s h5_file\n", prog); + fprintf (stdout, + " Check that h5_fil is HDF5 file and print size of user block \n"); + fprintf (stdout, " %s -h\n", prog); + fprintf (stdout, " Print a usage message and exit\n"); +} + +/*------------------------------------------------------------------------- + * Function: parse_command_line + * + * Purpose: Parse the command line for the h5dumper. + * + * Return: Success: + * + * Failure: Exits program with EXIT_FAILURE value. + * + * Programmer: + * + * Modifications: + * + *------------------------------------------------------------------------- + */ + +void +parse_command_line (int argc, const char *argv[]) +{ + int opt = FALSE; + + /* parse command line options */ + while ((opt = get_option (argc, argv, s_opts, l_opts)) != EOF) + { + switch ((char) opt) + { + case 'h': + usage (progname); + exit (EXIT_SUCCESS); + case '?': + default: + usage (progname); + exit (EXIT_FAILURE); + } + } + + /* check for file name to be processed */ + if (argc <= opt_ind) + { + error_msg (progname, "missing file name\n"); + usage (progname); + exit (EXIT_FAILURE); + } +} + +/*------------------------------------------------------------------------- + * Function: main + * + * Purpose: HDF5 user block unjammer + * + * Return: Success: 0 + * Failure: 1 + * + * Programmer: + * + * Modifications: + * + *------------------------------------------------------------------------- + */ +void +main (int argc, const char *argv[]) +{ + char *ifname; + void *edata; + hid_t (*func) (void *); + hid_t ifile; + hsize_t usize; + htri_t testval; + herr_t status; + hid_t plist; + + /* Disable error reporting */ + H5Eget_auto (H5E_DEFAULT, &func, &edata); + H5Eset_auto (H5E_DEFAULT, NULL, NULL); + + parse_command_line (argc, argv); + + if (argc <= (opt_ind)) + { + error_msg (progname, "missing file name\n"); + usage (progname); + exit (EXIT_FAILURE); + } + + ifname = strdup (argv[opt_ind]); + + testval = H5Fis_hdf5 (ifname); + + if (testval <= 0) + { + error_msg (progname, "Input HDF5 file is not HDF \"%s\"\n", ifname); + exit (EXIT_FAILURE); + } + + ifile = H5Fopen (ifname, H5F_ACC_RDONLY, H5P_DEFAULT); + + if (ifile < 0) + { + error_msg (progname, "Can't open input HDF5 file \"%s\"\n", ifname); + exit (EXIT_FAILURE); + } + + plist = H5Fget_create_plist (ifile); + if (plist < 0) + { + error_msg (progname, "Can't get file creation plist for file \"%s\"\n", + ifname); + exit (EXIT_FAILURE); + } + + status = H5Pget_userblock (plist, &usize); + if (status < 0) + { + error_msg (progname, "Can't get user block for file \"%s\"\n", ifname); + exit (EXIT_FAILURE); + } + + printf ("%ld\n", (long) usize); + + H5Pclose (plist); + H5Fclose (ifile); + + exit (EXIT_SUCCESS); +} |